Messages in this thread | | | Subject | Re: [PATCHv3 5/6] dt-bindings: fpga: add authenticate-fpga-config property | From | Richard Gong <> | Date | Tue, 26 Jan 2021 07:58:23 -0600 |
| |
On 1/25/21 11:05 PM, Moritz Fischer wrote: > On Mon, Jan 25, 2021 at 02:56:27PM -0600, richard.gong@linux.intel.com wrote: >> From: Richard Gong <richard.gong@intel.com> >> >> Add authenticate-fpga-config property for FPGA bitstream authentication, >> which makes sure a signed bitstream has valid signatures. >> >> Signed-off-by: Richard Gong <richard.gong@intel.com> >> --- >> v3: no change >> v2: put authenticate-fpga-config above partial-fpga-config >> update commit messages >> --- >> Documentation/devicetree/bindings/fpga/fpga-region.txt | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/Documentation/devicetree/bindings/fpga/fpga-region.txt b/Documentation/devicetree/bindings/fpga/fpga-region.txt >> index e811cf8..d0d3234 100644 >> --- a/Documentation/devicetree/bindings/fpga/fpga-region.txt >> +++ b/Documentation/devicetree/bindings/fpga/fpga-region.txt >> @@ -182,6 +182,7 @@ Optional properties: >> This property is optional if the FPGA Manager handles the bridges. >> If the fpga-region is the child of a fpga-bridge, the list should not >> contain the parent bridge. >> +- authenticate-fpga-config : boolean, set if do bitstream authentication only. > I don't understand. Can I do authenticate-fpga-config AND > partial-fpga-config?
Yes, but not simultaneously.
Flag authenticate-fpga-config is used to first check the integrity of the bitstream. If the authentication passes, the user can perform a full or partial configuration to actually configure the bistream to device.
>> - partial-fpga-config : boolean, set if partial reconfiguration is to be done, >> otherwise full reconfiguration is done. >> - external-fpga-config : boolean, set if the FPGA has already been configured >> -- >> 2.7.4 >> > Please clarify, > > Moritz > Regards, Richard
| |